I think the answer would be A
Consider the structure of the last 2 paragraphs in
the text. What implicit, or unspoken, conclusion
does the article make?
A Even though the controversial ad was pulled, it
nevertheless contributed greatly to Johnson's
landslide victory
B. With the controversial ad pulled, people soon
forgot about Goldwater and voted for Johnson
instead.
C People still talked about the Daisy Girl Ad after
it was pulled, contributing free publicity to
Johnson's campaign.
D People were shocked by the ad, demanded it be
pulled, and voted for Goldwater instead.
